Snekboard: An open-hardware Python microcontroller for LEGO®

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Back this project: https://www.crowdsupply.com/keith-packard/snekboard

Learn, Teach, Experiment, and Play with RobotsSnekboard is an open hardware development board that’s designed to let
you hook up to LEGO Power Functions*
motors and switches
so you can build robots out of LEGO and control them with
CircuitPython or the
simpler Snek programming language.
Snekboard is 48 x 48 mm – the same size as 6 x 6 LEGO studs – so
you can easily build a LEGO enclosure for the board and attach it to
your creation. It is powered by a 3.7 V, 900 mAh single-cell Lithium
Polymer (LiPo) battery that fits under the board and charges over USB
while Snekboard is being programmed from the host.
Python and LEGO Together at LastPython is widely
regarded
as a great
first programming language.
LEGO
products
are used in many settings
for teaching
about robotics. It’s
time to bring these amazing learning tools together. Snekboard
bridges the two worlds by offering a hardware platform capable of
running Python while directly controlling LEGO Power Functions Motors.
















All-in-One ConstructionSnekboard includes everything you need on a single board — a power
supply, motor controllers, a processor, and connectors. You will not
need to buy additional boards or connect an external battery box.
You might need a few cables, though, so we’ve made some available
through the campaign. The Snekboard Cable Set includes four custom
LEGO Power Function cables and four GPIO cables. We also provide an
optional Baseplate Kit, which includes a set of LEGO blocks from
which you can build an eight-by-eight baseplate for your
Snekboard. (Choose between
Snek
Green,
CircuitPython
Violet, or Dark
Gray!)

























Two Python Languages To Choose FromChoose Snek for a gentle introduction to
Python and Robotics. This tiny language was designed from the ground
up, using ideas borrowed from the original LEGO
Logo,
to support early robotics instruction. Choose
CircuitPython if you
want a complete Python environment along with many
add-ons. CircuitPython, derived from
MicroPython, offers all of the
functionality of the original Arduino, but
with Python in place of C++.
You can program both languages, from your desktop or laptop computer,
using the fantastic Mu editor, which
simplifies the process of communicating with Snekboard over USB.






















Features & Specifications
Processor (SAMD21G18A): ARM Cortex M0 with 256 kB of flash and
32 kB of RAM. The same chip found in many Arduino boards, including
some from Adafruit.
Power: LiPo battery and support for USB charging, protected by
an automatic power selector with a current limit. LEGO motors for
the last many years have run on 9 V. So as not to require 9 V worth
of batteries, Snekboard mak

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